High Efficiency, Small Volume 44 GHz Transmitter

Award Information
Agency:
Department of Defense
Branch
Air Force
Amount:
$731,681.00
Award Year:
2002
Program:
SBIR
Phase:
Phase II
Contract:
F30602-02-C-0120
Award Id:
52343
Agency Tracking Number:
011IF-1211
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
UNIT C-10, 3 Nami Lane, Mercerville, NJ, 08619
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
796754315
Principal Investigator:
Sarjit Singh Bharj
Vice-President
(609) 586-8140
princetonmicrowave@msn.com
Business Contact:
Amarjit Kaur
President
(609) 586-8140
pmmt@aol.com
Research Institution:
n/a
Abstract
The replacement of millimeter-wave traveling wave tube by solid-state power amplifiers has been recognized as a very important goal for some time. Solid-state power amplifiers provide the substantial benefits of elimination of high voltage supplies,reduction in size and weight, and generally improved reliability, especially for airborne microwave systems. However, the demand for high power at millimeter-wave frequencies are steadily increasing for today's military and commercial systems such asMILSTAR, SATCOM, GBS and LMDS. The limitation of output power of present MMICs can be partially overcome by combining several of them offers low loss, good amplitude and phase balance, and high power handling capability. Combining approaches can beseparated into two groups: those, which can combine two devices at a time and those that can combine the output of N devices in one step. On one hand, the losses of binary structure degrade the combining efficiency and on the other hand, the n-waycombining structures are designed to combine the output of N-devices in one step. This scheme has the potential of higher combining efficiency. We are proposing the development of SATCOM amplifiers using Gysel Combiner and MILSTAR amplifier using Radialcombiner. The choice is dictated by the availability of the present day MMICs.

* information listed above is at the time of submission.

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